A cat may look at a king.
猫也可以打量国王
A close mouth catches no flies.
病从口入。
Actions speak louder than words.
事实胜于雄辩。
A fall into a pit, a gain in your wit.
吃一堑，长一智。
A fox may grow gray, but never good.
江山易改，本性难移。
A good conscience is a soft pillow.
不做亏心事，不怕鬼叫门。
A good medicine tastes bitter.
良药苦口。
A light heart lives long.
静以修身。
All rivers run into sea.
海纳百川。
All roads lead to Rome.
条条大路通罗马。